IEC 60068-2-17:20 23涉及密封试验，适用于容器密封中粗泄漏和细泄漏的外部和内部检测，以确定样品密封的有效性。为了验证外壳、盖和密封件保持部件和设备处于良好工作状态的能力的进一步测试，IEC 60068？2？18会有帮助。 这第五版取消并取代了1994年出版的第四版。本版构成技术修订版。 与上一版相比，此版本包括以下重大技术变更: a)删除“密封试验调查”，相关内容移至新的第4条“总则”； b)范围已修订； c)为了澄清目的，这些数字已经更新； d)所有非SI单元已被移除； e)相关质量标准中给出的信息已经修订。

IEC 60068-2-17:2023 deals with seal tests applicable to the external and internal detection in container sealing of gross leaks and fine leaks to determine the effectiveness of seals of specimens. For further tests to verify the ability of enclosures, covers and seals to maintain components and equipment in good working order, IEC 60068？2？18 can be helpful.
This fifth edition cancels and replaces the fourth edition published in 1994. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) "Survey of sealing tests" has been deleted and the relevant content moved to a new Clause 4 "General";
b) the Scope has been revised;
c) the figures have been updated for clarification purposes;
d) all non-SI units have been removed;
e) the information to be given in the relevant specification has been revised.